Coffee bean roasting technology electric direct drum roaster

Coffee roasting (coffee roasting) refers to the heating of raw beans to convert starch in raw beans into sugars and acids at high temperature, cellulose and other substances will be carbonized to varying degrees, water and carbon dioxide will be volatilized, protein will be converted into enzymes and fats, and the remaining substances will be combined to form an oil film on the surface of coffee beans, and in this process will produce sour, bitter, sweet and other flavors of coffee. The process by which raw beans are converted into dark brown beans by forming a mellow degree and hue.

A variety of small changes in temperature, heat and other small changes in the baking process can change the taste of beans, different beans have different characteristics, and baking is a fast operation in a short time, so it is required to accurately budget and adjust the baking process in the baking process.

The electric direct type drum roaster is the best household coffee roaster at present, which is easy to use and has excellent baking effect, but it is more expensive, more functional and more considerate.

1) the baking room adopts a removable design, which is convenient for coffee beans to be put in or out, as well as for cleaning and maintenance.

2) the temperature control adopts electronic control, which can accurately meet the requirements of different baking degrees.

3) using programming control, users can increase or decrease baking time at any time.

4) after baking, the air is automatically forced to cool the coffee beans and promote the coffee beans to release their aroma at the same time.

5) built-in machine and electronic overhumidity protection devices, when the machine exceeds the safe temperature, the power supply of the heater will be automatically cut off.

6) external ingot leather collection box, which will be blown out of the baking room and facilitate silver skin cleaning

7) 3D rolling design, so that coffee beans are stirred in 3D in the baking room, and coffee beans are heated more evenly.

8) the roasting of coffee beans can be clearly observed by using a baking chamber with transparent heat-resistant glass.

9) the maximum baking capacity is 300 grams, which is very suitable for small baking purposes in household and general coffee shops.

10) ultra-low running sound, can clearly control the first and second explosion time.